Zhoushan Jed Machinery Co.,Ltd

Professional extruder screw product manufacturing and trade service provider in China



Rubber Screw Barrel for Car Sealing Machine

Place of Origin: Zhejiang, China

Brand Name: JED

Model Number: ZS15-360mm

Material: 38CrMoAlA,SKD61,SACM645

Nitride depth: 0.5-0.7mm

Nitride hardness: HV900-1000

Surface Treatment: Nitrided or bimetallic

Warranty: More than two years

Feature: Wear and corrosion resistance

Effect: Improve the working life

Advantage: Low MOQ, High Quality  

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Packaging & Delivery

Packaging Details: wooden packing ( strong export wooden case)

Delivery Time: 25~40 days after receiving the deposit

Product Details:

Product NameRuber Screw and Barrel
Material38CrMoAIA; 42CrMo; SKD11
Application:Rubber Plastic machine components
Ntride Depth:0.5-0.7mm
Nitrided HardnessHV900°~1000°
Nitrided Brittlenessabove 2 stage
Surface RoughnessRa0.4
Screw straightness0.015mm
Hardness of surface chromium-plating after NitridingHV≥950HV
Chromium plating Depth0.05~0.10mm
Bimetallic Depth0.8~3.0mm
Bimetallic Hardness:Bimetallic hardness: HRC50-65
Bimetallic Poweriron,nickel,tungsten,molybdenum
Feature:Wear and corrosion resistance
Warranty12 months
UsedRubber machinery

Technical Information For Screw And Barrel For Rubber Machine

Main Base materialsMain Alloy MaterialsProcessing TechnicsTechnical parameters
1.38CrMoAlA (SACM645)1. Ni-based alloy/Deloro alloy1. Heat treatment1. Nitriding layer depth:0.5-0.8mm
2. SKD-61 (Special Tool Steel)2. Tungsten carbide/Wolfram carbide2. Quenching2. Nitrided hardness:900-1000HV
3. 42CrMo (Ultrahigh Strength Steel)3. NiCo-based alloy3. Nitriding treatment3. Bimetallic layer depth:3 mm
4. DC53 (Cold Work Die Steel)4. Fe-based alloy4. Bimetallic alloy welding for screw4. Bimetallic hardness:57~69HRC
5. W6Mo5Cr4V2 (High-Speed Tool Steel)5. Co-based alloy5. Bimetallic alloy centrifugal casting for barrel5. Linearity of screw:0.015mm
  6. Hard-chrome electroplating6. Surface roughness:Ra 0.4

Shipping Information 

1)Port Departure: Ningbo Port

2)Delivery time: 25 working days upon receipt of 30% deposit (days based on your quantity)

We use strong plywood or wooden case for all our products.


ZHOUSHAN JED MACHINERY MANUFACTORY is a professional manufacturer of extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel and other various types of screw barrel. At present, Jed SCREW have a professional design experienced production team. We are located in the east of Zhoushan city, Zhejiang province, close to Shanghai, Ningbo port.

ZHOUSHAN JED SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel with the best materials to exploit market and most new materials, add reasonable process design through tempering, molding, qualitative, nitriding, fine grinding, polishing process of refining. So that the screw barrel has super-hard resistance wear, corrosion resistance, fracture resistance. In order to meet the needs of our customers, we company also provides product design, surveying and mapping, sample processing and repair manufacturing business. All of our products comply with international quality standards (ISO9001-2000). Since the establishment of the company, we are getting greatly appreciated and praise from new and old customers around the world. We will insist on the principle of quality, honest to customers, and provide our customers new information of the products and offer good quality products with good price.

Till now, our screw barrels have been exported to more than 30 countries all over the world, like USA, India, South Africa, Turkey, Russia and so on. We sincerely welcome customers to negotiate consultation and exchanges guidance. Your satisfaction is our eternal pursue and goal.





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